girl's name
Kailey
- Gender Girl
- Letters 6
- Popularity Uncommon
- Births on record 29,753
Northern Ireland
#454
2009 births
Kailey is a girl's name. In 2025 it was given to 153 babies in the United States. It is used consistently but remains uncommon.
- Peaked in 2004, when 1,449 babies were given the name.
- It has been falling over the past decade.
- Today about 1 in 21,669 babies in the United States is given this name.
- First appears in US birth records in 1970.
Kailey over time
Births per decade in the United States, 1970s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1970s | 10 |
| 1980s | 1,006 |
| 1990s | 6,830 |
| 2000s | 11,846 |
| 2010s | 6,154 |
| 2020s (to 2025) | 1,408 |
How popular is Kailey?
In 2025, Kailey was given to 153 babies in the United States. It is used consistently but remains uncommon.
Where Kailey is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
How Kailey is spelled
Birth registers count each spelling separately, so every one has its own ranking.
| Spelling | What it is | Births on record |
|---|---|---|
| Kaïley | Kaïley is Kailey written with a diaeresis, used in France, where it ranks #2,435. | 40 |
Names that peaked alongside Kailey
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Kailey also like
Names whose popularity has risen and fallen in step with Kailey over the last century — the same taste, a different name.
Sibling names for Kailey
Names from the same era that won't rhyme or share an initial with Kailey — the two things that make a sibling set grate.
Common questions about Kailey
How popular is the name Kailey?
In 2025, Kailey was given to 153 babies in the United States. It is used consistently but remains uncommon.
Is Kailey a girl's or a boy's name?
Kailey is given almost entirely to girls in birth records.
When was Kailey most popular?
Kailey peaked in 2004, when 1,449 babies were given the name. It has been falling over the past decade.
Is Kailey a good name?
That is not something records can settle, but they can tell you what you would be choosing. Kailey currently ranks #1,417 in the United States. It has been falling over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.